/*******************************************************************************
 * Copyright 2011 See AUTHORS file.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/

package com.badlogic.gdx.utils.reflect;

import java.lang.reflect.InvocationTargetException;

/** Provides information about, and access to, a single constructor for a Class.
 * @author nexsoftware */
public final class Constructor {

    private final java.lang.reflect.Constructor constructor;

    Constructor (java.lang.reflect.Constructor constructor) {
        this.constructor = constructor;
    }

    /** Returns an array of Class objects that represent the formal parameter types, in declaration order, of the constructor. */
    public Class[] getParameterTypes () {
        return constructor.getParameterTypes();
    }

    /** Returns the Class object representing the class or interface that declares the constructor. */
    public Class getDeclaringClass () {
        return constructor.getDeclaringClass();
    }

    public boolean isAccessible () {
        return constructor.isAccessible();
    }

    public void setAccessible (boolean accessible) {
        constructor.setAccessible(accessible);
    }

    /** Uses the constructor to create and initialize a new instance of the constructor's declaring class, with the supplied
     * initialization parameters. */
    public Object newInstance (Object... args) throws ReflectionException {
        try {
            return constructor.newInstance(args);
        } catch (IllegalArgumentException e) {
            throw new ReflectionException("Illegal argument(s) supplied to constructor for class: " + getDeclaringClass().getName(),
                    e);
        } catch (InstantiationException e) {
            throw new ReflectionException("Could not instantiate instance of class: " + getDeclaringClass().getName(), e);
        } catch (IllegalAccessException e) {
            throw new ReflectionException("Could not instantiate instance of class: " + getDeclaringClass().getName(), e);
        } catch (InvocationTargetException e) {
            throw new ReflectionException("Exception occurred in constructor for class: " + getDeclaringClass().getName(), e);
        }
    }

}